EP0907556A1 - Mecanisme de propulsion de navire en fuseau avec moteur synchrone - Google Patents

Mecanisme de propulsion de navire en fuseau avec moteur synchrone

Info

Publication number
EP0907556A1
EP0907556A1 EP97929132A EP97929132A EP0907556A1 EP 0907556 A1 EP0907556 A1 EP 0907556A1 EP 97929132 A EP97929132 A EP 97929132A EP 97929132 A EP97929132 A EP 97929132A EP 0907556 A1 EP0907556 A1 EP 0907556A1
Authority
EP
European Patent Office
Prior art keywords
rotor
synchronous motor
stator
drive device
housing part
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP97929132A
Other languages
German (de)
English (en)
Other versions
EP0907556B1 (fr
Inventor
Peter Hein
Christian Meyer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Siemens Corp
Original Assignee
Siemens AG
Siemens Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7799145&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0907556(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Siemens AG, Siemens Corp filed Critical Siemens AG
Publication of EP0907556A1 publication Critical patent/EP0907556A1/fr
Application granted granted Critical
Publication of EP0907556B1 publication Critical patent/EP0907556B1/fr
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H21/00—Use of propulsion power plant or units on vessels
    • B63H21/12—Use of propulsion power plant or units on vessels the vessels being motor-driven
    • B63H21/17—Use of propulsion power plant or units on vessels the vessels being motor-driven by electric motor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H23/00—Transmitting power from propulsion power plant to propulsive elements
    • B63H23/22—Transmitting power from propulsion power plant to propulsive elements with non-mechanical gearing
    • B63H23/24—Transmitting power from propulsion power plant to propulsive elements with non-mechanical gearing electric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H5/00—Arrangements on vessels of propulsion elements directly acting on water
    • B63H5/07—Arrangements on vessels of propulsion elements directly acting on water of propellers
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/08—Arrangements for cooling or ventilating by gaseous cooling medium circulating wholly within the machine casing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H5/00—Arrangements on vessels of propulsion elements directly acting on water
    • B63H5/07—Arrangements on vessels of propulsion elements directly acting on water of propellers
    • B63H2005/075—Arrangements on vessels of propulsion elements directly acting on water of propellers using non-azimuthing podded propulsor units, i.e. podded units without means for rotation about a vertical axis, e.g. rigidly connected to the hull
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H5/00—Arrangements on vessels of propulsion elements directly acting on water
    • B63H5/07—Arrangements on vessels of propulsion elements directly acting on water of propellers
    • B63H5/125—Arrangements on vessels of propulsion elements directly acting on water of propellers movably mounted with respect to hull, e.g. adjustable in direction, e.g. podded azimuthing thrusters
    • B63H2005/1254—Podded azimuthing thrusters, i.e. podded thruster units arranged inboard for rotation about vertical axis
    • B63H2005/1258—Podded azimuthing thrusters, i.e. podded thruster units arranged inboard for rotation about vertical axis with electric power transmission to propellers, i.e. with integrated electric propeller motors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/12—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas
    • H02K5/132—Submersible electric motors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans

Definitions

  • the invention is in the field of ship propulsion and is to be used in the structural design of a synchronous motor which, for the purpose of direct propulsion, has at least one propeller in a streamlined housing part of a housing to be arranged on the underside of the ship's hull.
  • a three-phase AC motor with a short-circuit rotor is used as the motor, the rotor being seated on a hollow shaft, which in turn is coupled via a coupling to the drive shaft running inside the hollow shaft.
  • the drive shaft is directly coupled to the propeller.
  • the stator of the motor is surrounded by a tubular housing, which in turn is inserted into a tubular saddle-like housing part of the nacelle-like housing attached to the underside of the ship's hull.
  • the motor, including the rotor bearings, is cooled with fresh water, which is pumped from a tank arranged in the ship's hull into the interior of the motor housing and circulated (US Pat. No. 2,714,866).
  • the stator of the dynamoelectric motor is supported by radially arranged web plates in the surrounding housing; the web plates used for this purpose also serve to form cooling channels for a gaseous coolant supplied from the ship's hull.
  • a synchronous motor with a short-circuit rotor is usually used as the motor, the rotor being arranged on the hollow formed, water-flowing drive shaft can be additionally cooled.
  • the invention has for its object to improve the propulsion efficiency in such a drive.
  • the invention provides that the rotor of the synchronous motor is designed as a permanent magnet excited rotor and that the stator of the synchronous motor is shaped for cooling by the water surrounding the housing. is coherently fitted into the aerodynamically designed housing part.
  • the configuration of the stator and rotor minimizes the effort required for cooling the synchronous motor, which at the same time reduces the radial space requirement of the synchronous motor.
  • ship propulsion systems can be designed in which the ratio of the outside diameter of the aerodynamically designed housing part to the outside diameter of the propeller is less than or at most equal to 0.4.
  • the fresh water is recooled in heat exchangers by sea water (brochure "PERMASYN motors for submarine propeller drives” from Siemens AG, order no. E 10 001-A930-A29). If a ship drive designed in accordance with the invention is used in the upper power range (more than 5 to 10 MW), effective cooling of the winding overhangs must also be ensured. It is then expedient to assign an additional cooling device to each winding head of the stator.
  • cooling fans can be arranged in the interior, which is already present due to the motor construction, without any special additional expense if cooling fans are either selected which are arranged within the winding heads on the rotor shaft, or if each winding head has one end face Assigns a tubular ring in cross section, which is provided with spray holes and the interior of which is connected by means of a pump to an insulating oil sump located below the rotor shaft.
  • heat is extracted from the coolant - be it air or insulating oil - in the same way as the stator via the surrounding housing wall of the motor.
  • FIGS. 1 and 2 A longitudinal section through two exemplary embodiments of the new drive device is shown schematically in FIGS. 1 and 2.
  • Figure 2 shows a drive device with spray cooling of the winding heads.
  • the drive device consists of an aerodynamically designed housing part 1 having the shape of a nacelle with a synchronous motor arranged therein, consisting of stator 7 and rotor 10 and a shaft 20, by means of which the drive device can be attached to the bottom of a ship's hull in a nacelle-like manner .
  • the housing part 1 is made End caps 3 and 4, which support the bearings of the drive shaft 5.
  • the propeller 6 is arranged at one end of the drive shaft.
  • the stator 7 of the synchronous motor is positively fitted into the hollow cylindrical housing part, for example this housing part is shrunk onto the stator laminated core.
  • the windings of the stator are visible in the winding heads 8 and 9.
  • the rotor 10 of the synchronous motor is designed in a manner known per se as a permanent magnet-excited rotor and rests on the drive shaft 5 by means of a support structure 11.
  • the support structure 11 is provided with axial openings 16.
  • a fan 12 is arranged on each of the two winding heads 8 and 9 on the drive shaft 5. With the help of this fan, the air located in the interior of the synchronous motor is whirled through one another and flows around the winding overhangs 8 and 9. The cooling of the synchronous motor as a whole takes place essentially via the hollow cylindrical housing part 2, which occurs when the ship is traveling releases the heat to the flowing water.
  • a ring 13 with a tubular cross section is arranged on the end face of the winding heads, which is provided with spray openings in the direction of the winding heads.
  • Insulating oil can be sprayed via these spray openings, which is located as a sump 14 below the drive shaft 5 and is pumped from there into the ring 13 by means of a pump arranged outside the housing part 1.
  • the heat is also extracted from the sump 14 made of insulating oil via the housing part 1, as is the air swirled according to FIG. -
  • the sump 14 should not be the air gap of the engine to capture.
  • the spray rings 13 can be provided in addition or alternatively to the fans 12.
  • the housing part 1 can have a relatively small outer diameter d, so that the ratio between the outer diameter d of the housing part 1 and the outer diameter D of the propeller 6 reaches a relatively small value of, for example, 0.35, even if the synchronous motor is designed for a drive power of 2 to 20 MW and more.
  • the design of the new drive device is independent of whether the nacelle is arranged rigidly or rotatably on the ship's hull. It is therefore also suitable for so-called Schottel drives.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Motor Or Generator Cooling System (AREA)
  • Motor Or Generator Frames (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)

Abstract

Ce mécanisme de propulsion de navire est constitué d'un boîtier (1) monté en fuseau sous la coque du navire et d'un moteur synchrone (7, 10) situé dans le boîtier (1). Afin d'améliorer l'efficacité de la propulsion à des puissances d'entraînement d'environ 10 MW, le rotor (10) du moteur synchrone est un rotor excité par un aimant permanent et le stator (7) du moteur synchrone est monté par liaison de forme dans le boîtier pour que son refroidissement soit assuré par la paroi du boîtier. Un dispositif supplémentaire de refroidissement sous forme d'un ventilateur (12) ou d'un pulvérisateur (13) peut être associé à chaque tête d'enroulement (8, 9).
EP97929132A 1996-06-26 1997-06-18 Mecanisme de propulsion de navire en fuseau avec moteur synchrone Revoked EP0907556B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19627323 1996-06-26
DE19627323A DE19627323A1 (de) 1996-06-26 1996-06-26 Gondelartig anzuordnender Schiffsantrieb mit Synchronmotor
PCT/DE1997/001292 WO1997049605A1 (fr) 1996-06-26 1997-06-18 Mecanisme de propulsion de navire en fuseau avec moteur synchrone

Publications (2)

Publication Number Publication Date
EP0907556A1 true EP0907556A1 (fr) 1999-04-14
EP0907556B1 EP0907556B1 (fr) 2001-09-26

Family

ID=7799145

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97929132A Revoked EP0907556B1 (fr) 1996-06-26 1997-06-18 Mecanisme de propulsion de navire en fuseau avec moteur synchrone

Country Status (10)

Country Link
US (1) US6231407B1 (fr)
EP (1) EP0907556B1 (fr)
KR (1) KR100351342B1 (fr)
CN (1) CN1071670C (fr)
CA (1) CA2259193C (fr)
DE (3) DE19627323A1 (fr)
DK (1) DK0907556T3 (fr)
ES (1) ES2165071T3 (fr)
NO (1) NO986122D0 (fr)
WO (1) WO1997049605A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7448929B2 (en) 2003-05-16 2008-11-11 Siemens Aktiengesellschaft Ship propulsion system with cooling systems for the stator and rotor of the synchronous machine of the propulsion system
CN115593599A (zh) * 2022-10-20 2023-01-13 嘉兴市锦佳船舶制造股份有限公司（Cn） 一种电力驱动船

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7448929B2 (en) 2003-05-16 2008-11-11 Siemens Aktiengesellschaft Ship propulsion system with cooling systems for the stator and rotor of the synchronous machine of the propulsion system
CN115593599A (zh) * 2022-10-20 2023-01-13 嘉兴市锦佳船舶制造股份有限公司（Cn） 一种电力驱动船
CN115593599B (zh) * 2022-10-20 2023-09-22 嘉兴市锦佳船舶制造股份有限公司 一种电力驱动船

Also Published As

Publication number Publication date
DK0907556T3 (da) 2002-01-28
US6231407B1 (en) 2001-05-15
NO986122L (no) 1998-12-23
WO1997049605A1 (fr) 1997-12-31
KR20000022538A (ko) 2000-04-25
CA2259193A1 (fr) 1997-12-31
EP0907556B1 (fr) 2001-09-26
NO986122D0 (no) 1998-12-23
CA2259193C (fr) 2001-12-18
DE19627323A1 (de) 1998-01-02
KR100351342B1 (ko) 2003-02-20
AU712505B2 (en) 1999-11-11
CN1225608A (zh) 1999-08-11
AU3335597A (en) 1998-01-14
CN1071670C (zh) 2001-09-26
ES2165071T3 (es) 2002-03-01
DE29724214U1 (de) 2000-07-27
DE59704727D1 (de) 2001-10-31

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